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Økologi 1

Affald

QuestionAnswer
Hvor mange procent af husholdningsaffaldet fra København blev genbrugt i 1998? 19,6%
Hvor mange procent af husholdningsaffaldet fra København blev sendt til forbrænding i 1998? 76,9%
Hvor mange procent af husholdningsaffaldet fra København blev sendt til deponering i 1998? 2,9%
Hvor mange procent af husholdningsaffaldet fra København blev sendt til specialbehandling i 1998? 0,6%
Hvilken spisefisk har det højeste indhold af kviksølv? Sildehaj
Hvilken spisefisk har det laveste indhold af kviksølv? Laks
Hvad er kendetegnet for fiskene med størst indhold af kviksølv? De er store rovfisk
Hvad er LC50 Den koncentration af en miljøgift, der skal til at slå 50% af testorganismerne ihjel på eks. 48 timer
Nitrat kan i tarmsystemet omdannes til kræftfremkaldende stoffer. Hvad kaldes disse? Nitrosaminer
Hvilken proces udfører svovlbakterier i iltfattige vandområder? Svovlbakterierne omdanner svovlbrinte, som produceres i sedimentet, til sulfat og energi. De omdanner dermed et stærkt giftigt stof (svovlbrinte) til uskadeligt sulfat og er dermed et sidste værn mod svovlbrinte i vandet.
Created by: Esben
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